CN210049464U

CN210049464U - Superposed beam

Info

Publication number: CN210049464U
Application number: CN201920536749.6U
Authority: CN
Inventors: 王广辉; 沈春雷; 许磊; 张光轩; 张庭松
Original assignee: Jiangsu Guangxing Group Construction Assembly Technology Co Ltd
Current assignee: Jiangsu Guangxing Group Construction Assembly Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-11
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a superposed beam belongs to the superposed beam field, and its technical scheme main points are the superposed beam body of making including the concrete, be provided with steel keel structure in the superposed beam body, keel structure is including indulging a plurality of and the I-shaped girder steel of muscle, the I-shaped girder steel is located superposed beam body length direction's axis, indulge the muscle setting in I-shaped girder steel below, it is parallel to each other to indulge the muscle, and the advantage of this kind of superposed beam is in small light in weight under having equal bearing capacity condition, and cost of transportation and installation cost are low.

Description

Superposed beam

Technical Field

The utility model relates to a superposed beam field, in particular to superposed beam.

Background

Along with social development and scientific and technical progress, building structures gradually develop towards high-rise, super high-rise and large span directions, and meanwhile, the nation vigorously advocates building industrialized prefabricated buildings in order to improve the construction efficiency of the building industry, meet new concepts of energy conservation, green and environmental protection. The cross section of the frame beam is generally rectangular or T-shaped, when the floor structure is a prefabricated slab assembled floor, in order to reduce the height occupied by the structure and increase the building clearance, the cross section of the frame beam is often cross-shaped or basket-shaped, in the assembled integral frame structure, the prefabricated beam is often made into a T-shaped section, and after the prefabricated slab is installed in place, partial concrete is poured, so-called composite beam is formed.

Chinese patent No. CN204456649U discloses a prefabricated composite beam, which comprises a rectangular beam slab, wherein vertical reinforcing ribs are arranged in the beam slab at equal intervals, a mesh layer is arranged on the surface of the vertical reinforcing ribs, and rubber powder polyphenyl particles are filled under the mesh layer; and plugs are respectively arranged at the diagonal positions of the beam plate.

The prefabricated composite beam is not provided with steel ribs, and the rectangular beam plate is a main stressed part, so that in order to ensure that the beam members have the same bearing capacity, a larger sectional area needs to be designed for the beam members, namely, the volume of the composite beam is increased, the self weight of the composite beam is increased, the transportation cost of the beam members is increased, and a large-tonnage crane or a tower crane is needed for hoisting during field hoisting, so that the installation cost of the beam members is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a superposed beam, its advantage lies in small light in weight under having equal bearing capacity condition, and cost of transportation and installation cost are low.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a superposed beam, includes the superposed beam body that the concrete was made, be provided with steel keel structure in the superposed beam body, keel structure includes indulges a plurality of and I-shaped steel roof beam of muscle, the I-shaped steel roof beam is located superposed beam body length direction's axis, indulge the muscle and set up in I-shaped steel roof beam below, it is parallel to indulge the muscle each other.

Through adopting above-mentioned technical scheme, increase the structural strength of coincide roof beam body through keel structure, indulge muscle and I-shaped steel roof beam mating reaction, share load jointly, the concrete that this kind of coincide roof beam used under having equal bearing capacity condition is few to the volume diminishes, and the dead weight becomes light, at the in-process of building site transportation, need not adopt large-tonnage crane or tower crane to hoist, further reduces installation cost and cost of transportation.

Further, still be provided with a plurality of perpendicular muscle in the superposed beam body, erect the left and right sides and the symmetry setting that the muscle is located the I-shaped girder steel, erect the one end of muscle and indulge muscle welded fastening, the other end of erecting the muscle stretches out the top surface of superposed beam body to two perpendicular muscle that are the symmetry setting set up to a set of, the multiunit is erected the muscle and is evenly arranged along the length direction of superposed beam body.

Through adopting above-mentioned technical scheme, through the setting of multiunit perpendicular muscle, increase the handling vertical direction's of coincide roof beam body structural strength to erect the muscle and be symmetrical arrangement, evenly share load.

Furthermore, the vertical ribs are provided with lifting hooks.

Through adopting above-mentioned technical scheme, the crane can be carried through the superposed beam of lifting hook hoist.

Further, the welding has the pterygoid lamina a plurality of on the I-shaped steel beam, the pterygoid lamina sets up the contained angle department at the I-shaped steel beam, and the pterygoid lamina evenly arranges along the length direction of I-shaped steel beam.

Through adopting above-mentioned technical scheme, strengthen the support performance of I-steel roof beam through the pterygoid lamina, when the I-steel roof beam bore load, prevent two blocks of flat board bending about, avoid the I-steel roof beam to warp.

Furthermore, a plurality of through holes are formed in the I-shaped steel beam and are located on the vertical portion of the I-shaped steel beam, the through holes are circular, and the through holes are evenly arranged along the direction of the I-shaped steel beam.

Through adopting above-mentioned technical scheme, it has a plurality of through-holes to open on the I-steel girder, has reduced the dead weight of I-steel girder, makes things convenient for the staff to carry the I-steel girder to the mould that is arranged in making the composite beam, and the concrete also can be full of in the through-hole during the shaping.

Furthermore, a plurality of stirrups are arranged in the superposed beam body, and the stirrups surround the I-shaped steel beam.

Through adopting above-mentioned technical scheme, the stirrup is mainly used for increasing composite beam body cross-section shear strength.

Furthermore, a plurality of reinforcing ribs are transversely arranged between the longitudinal ribs, and the reinforcing ribs and the longitudinal ribs are fixedly connected in a welding mode.

Through adopting above-mentioned technical scheme, use through the setting of strengthening rib and indulge the muscle and connect and become a whole, improve the wholeness.

Furthermore, one end of the superposed beam body is provided with two rectangular insertion grooves, the other end face of the superposed beam body is provided with two insertion blocks, and when the two superposed beam bodies are spliced and matched, the insertion grooves are in insertion fit with the insertion blocks.

By adopting the technical scheme, when the superposed beam is installed, the inserting block of one superposed beam body is inserted into the inserting groove of the other superposed beam body, so that the superposed beam and the inserting groove can be spliced together.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the keel structure, the novel steel plate has small volume, light weight and low transportation cost and installation cost under the condition of equal bearing capacity;

2. the structural strength of the superposed beam body is further improved through the arrangement of the vertical ribs and the lifting hooks, and the superposed beam is convenient to transport through the lifting hooks;

3. through the arrangement of the insertion grooves and the insertion blocks, the two superposed beams are convenient to splice and match.

Drawings

FIG. 1 is a schematic structural view of a composite beam;

figure 2 is a schematic view of the keel structure.

In the figure, 1, a composite beam body; 11. inserting grooves; 12. an insertion block; 2. a keel structure; 21. longitudinal ribs; 211. reinforcing ribs; 22. erecting ribs; 221. a hook; 23. an I-beam; 231. a through hole; 232. a wing plate; 24. and (5) hooping.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a composite beam is shown in a combined graph 1 and a graph 2 and comprises a composite beam body 1 made of concrete and a steel keel structure 2, wherein the keel structure 2 is arranged inside the composite beam body 1, so that the composite beam body 1 has good structural strength, and under the condition of equal bearing capacity, compared with a composite beam made of pure concrete, the composite beam is small in size, light in weight and convenient to transport.

Referring to fig. 1 and 2, the composite beam is rectangular, two rectangular insertion grooves 11 are formed in one end of the composite beam, and the insertion grooves 11 are arranged side by side; the other end of the superposed beam is provided with two insertion blocks 12, the insertion blocks 12 are the same as the insertion grooves 11 in shape and are distributed the same, and when the two superposed beam bodies 1 are spliced and matched, the insertion grooves 11 are spliced and matched with the insertion blocks 12, so that the two superposed beams are spliced and matched more closely.

Referring to fig. 1 and 2, the keel structure 2 includes i-shaped steel beams 23, the i-shaped steel beams 23 are arranged along the length direction of the composite beam body 1, and the i-shaped steel beams 23 are located on the central axis of the composite beam body 1.

As shown in fig. 2, a plurality of wing plates 232 are welded on the i-shaped steel beam 23, the wing plates 232 are arranged in a triangular shape, the wing plates 232 are arranged at included angles of the i-shaped steel beam 23, and the wing plates 232 are uniformly arranged along edges of the included angles. The wing plate 232 is mainly used for supporting the top surface plate and the bottom surface plate of the i-shaped steel beam 23, and in order to increase the bearing capacity of the top surface plate and the bottom surface plate, the possibility of bending deformation is reduced.

Referring to fig. 1 and 2, a plurality of through holes 231 are formed in the middle vertical portion of the i-shaped steel beam 23, and the through holes 231 are uniformly arranged along the length direction of the i-shaped steel beam 23, and the through holes 231 are circular. Through setting up the round hole mainly be in order to alleviate the dead weight of I-steel roof beam 23, need not use large-scale powerful hoisting equipment also can carry I-steel roof beam 23, make things convenient for the staff to transport. In the process of prefabricating the composite beam, the concrete paddles pass through the through holes 231 of the i-shaped steel beams 23, that is, the i-shaped steel beams 23 and the composite beam body 1 are connected more tightly.

Referring to fig. 1 and 2, the keel structure 2 includes a plurality of stirrups 24, the stirrups 24 are located in the composite beam body 1, the stirrups 24 surround the i-beam 23, and the stirrups 24 are uniformly arranged along the length direction of the i-beam 23.

As shown in fig. 2, the keel structure 2 includes a plurality of longitudinal ribs 21 and a plurality of vertical ribs 22, the longitudinal ribs 21 are arranged along the length direction of the laminated beam body 1, the longitudinal ribs 21 are parallel to each other, and the longitudinal ribs 21 are located right below the i-shaped steel beam 23. A plurality of reinforcing ribs 211 are welded and fixed between the adjacent longitudinal ribs 21, the reinforcing ribs 211 are parallel to each other, and the reinforcing ribs 211 are perpendicular to the longitudinal ribs 21.

Referring to fig. 1 and 2, the vertical ribs 22 are vertically disposed in the composite beam body 1, the vertical ribs 22 are symmetrically disposed on the left and right sides of the i-shaped steel beam 23, one end of each vertical rib 22 is welded to the longitudinal rib 21, the other end of each vertical rib 22 extends out of the top surface of the composite beam body 1, one end of each vertical rib 22 extending out of the composite beam body 1 is provided with a hook 221, and the hook 221 is bent inward.

The forming process of the superposed beam comprises the following steps: firstly, preparing a relevant mould, firstly, placing the longitudinal ribs 21 and the vertical ribs 22 in the mould, then filling concrete once in the mould, after the mould is cooled for a period of time, putting the I-shaped steel beam 23, filling the concrete again, forming the superposed beam body 1 after the concrete is completely solidified, and then bending the top ends of the vertical ribs 22 by workers to form the lifting hooks 221.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A composite beam, includes composite beam body (1) that the concrete was made, its characterized in that: the steel keel structure (2) is arranged in the superposed beam body (1), the keel structure (2) comprises a plurality of longitudinal ribs (21) and an I-shaped steel beam (23), the I-shaped steel beam (23) is located on a central axis of the superposed beam body (1) in the length direction, the longitudinal ribs (21) are arranged below the I-shaped steel beam (23), and the longitudinal ribs (21) are parallel to each other.

2. A composite beam as defined in claim 1, wherein: still be provided with a plurality of perpendicular muscle (22) in the composite beam body (1), erect muscle (22) and be located the left and right sides and the symmetry setting of I-shaped girder steel (23), the one end of erecting muscle (22) and indulging muscle (21) welded fastening, the top surface of composite beam body (1) is stretched out to the other end of erecting muscle (22) to two perpendicular muscle (22) that are the symmetry setting set up to a set of, the multiunit is erected muscle (22) and is evenly arranged along the length direction of composite beam body (1).

3. A composite beam as defined in claim 2, wherein: the vertical ribs (22) are provided with lifting hooks (221).

4. A composite beam as defined in claim 1, wherein: the welding has pterygoid lamina (232) a plurality of on I-shaped steel roof beam (23), pterygoid lamina (232) set up the contained angle department at I-shaped steel roof beam (23), and pterygoid lamina (232) are evenly arranged along the length direction of I-shaped steel roof beam (23).

5. A composite beam as defined in claim 1, wherein: a plurality of through holes (231) are formed in the I-shaped steel beam (23), the through holes (231) are located on the vertical portion of the I-shaped steel beam (23), the through holes (231) are circular, and the through holes (231) are evenly distributed along the direction of the I-shaped steel beam (23).

6. A composite beam as defined in claim 5, wherein: a plurality of stirrups (24) are arranged in the superposed beam body (1), and the stirrups (24) encircle the I-shaped steel beam (23).

7. A composite beam as defined in claim 1, wherein: a plurality of reinforcing ribs (211) are transversely arranged between the longitudinal ribs (21), and the reinforcing ribs (211) are fixedly connected with the longitudinal ribs (21) in a welding mode.

8. A composite beam as defined in claim 1, wherein: one end of the superposed beam body (1) is provided with two rectangular insertion grooves (11), the other end face of the superposed beam body (1) is provided with two insertion blocks (12), and when the two superposed beam bodies (1) are spliced and matched, the insertion grooves (11) are in insertion fit with the insertion blocks (12).